Clamp



FIG. 1 is a front perspective view of a clamp showing our new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right side view thereof, the left side being a mirror image;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dash-dash-dash lines shown in the drawings are included for purposes of illustrating portions of the clamp and form no part of the claimed design. The dash-dot-dash lines represent boundaries of the claimed design and do not form part of the claimed design. 

CLAIM The ornamental design for a clamp, as shown and described. 